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Seiko 7N42-8109
The Seiko 7N42-8109 watch movement features shock protection and operates automatically. It includes a day and date display, sweep seconds, and a calendar. The movement has a beat rate of 28,800 vibrations per hour and is equipped with 25 jewels.
The Seiko 7N42-8109 features the following functions:
- Automatic Winding
- Calendar
- Shock Protection
- Sweep Seconds
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
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Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
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Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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Documents
Parts Listing
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